Sem Cais

Recording by Caetano Veloso.

Recording identifiers

ISRC
BRUM70801476
CopyrightID (CopyrightChains transaction hash)
0xf5603fc05f672e652acdc54e1b2e2a72bab372359eac88875f1df9beec9d03f3
Copyright registration time
2026-06-17T22:31:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7adf94cd4f6b696b02ddd2b99b0d93a67975bd4f750640724ebb3ab0da19b2eb

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.